diff --git a/conn.go b/conn.go
index fe113c9e..e02ed0a4 100644
--- a/conn.go
+++ b/conn.go
@@ -6,6 +6,7 @@ import (
 	"github.com/lxzan/gws/internal"
 	"net"
 	"sync"
+	"sync/atomic"
 	"time"
 )
 
@@ -83,6 +84,45 @@ func (c *Conn) Listen() {
 	}
 }
 
+func (c *Conn) emitError(err error) {
+	if err == nil {
+		return
+	}
+	if atomic.CompareAndSwapUint32(&c.closed, 0, 1) {
+		c.handlerError(err, nil)
+		c.handler.OnError(c, err)
+	}
+}
+
+func (c *Conn) handlerError(err error, buf *internal.Buffer) {
+	code := CloseNormalClosure
+	v, ok := err.(CloseCode)
+	if ok {
+		closeCode := v.Uint16()
+		if closeCode < 1000 || (closeCode >= 1016 && closeCode < 3000) {
+			code = CloseProtocolError
+		} else {
+			switch closeCode {
+			case 1004, 1005, 1006, 1014:
+				code = CloseProtocolError
+			default:
+				code = v
+			}
+		}
+	}
+	var content = code.Bytes()
+	if buf != nil {
+		content = append(content, buf.Bytes()...)
+	} else {
+		content = append(content, err.Error()...)
+	}
+	if len(content) > internal.Lv1 {
+		content = content[:internal.Lv1]
+	}
+	_ = c.writeMessage(OpcodeCloseConnection, content, true)
+	_ = c.conn.SetDeadline(time.Now())
+}
+
 func (c *Conn) isCanceled() bool {
 	select {
 	case <-c.ctx.Done():
diff --git a/examples/bench/main.go b/examples/bench/main.go
index 9234c039..6da7e3c5 100644
--- a/examples/bench/main.go
+++ b/examples/bench/main.go
@@ -50,7 +50,7 @@ func NewWebSocket() *WebSocket {
 }
 
 func (c *WebSocket) OnClose(socket *gws.Conn, message *gws.Message) {
-	fmt.Printf("onclose: code=%d, payload=%s", message.Code(), string(message.Bytes()))
+	fmt.Printf("onclose: code=%d, payload=%s\n", message.Code(), string(message.Bytes()))
 }
 
 type WebSocket struct{}
diff --git a/frame.go b/frame.go
index 4413a386..c00131df 100644
--- a/frame.go
+++ b/frame.go
@@ -39,13 +39,10 @@ func (c *Message) Bytes() []byte {
 }
 
 func payloadValid(opcode Opcode, buf *internal.Buffer) bool {
-	if buf.Len() == 0 {
+	if buf.Len() == 0 && !(opcode == OpcodeCloseConnection || opcode == OpcodeText) {
 		return true
 	}
-	if opcode == OpcodeCloseConnection || opcode == OpcodeText {
-		return utf8.Valid(buf.Bytes())
-	}
-	return true
+	return utf8.Valid(buf.Bytes())
 }
 
 func maskXOR(b []byte, key []byte) {
diff --git a/reader.go b/reader.go
index f7da7f5e..7caad9dd 100644
--- a/reader.go
+++ b/reader.go
@@ -189,7 +189,7 @@ func (c *Conn) readMessage() error {
 
 func (c *Conn) emitMessage(msg *Message, compressed bool) error {
 	if atomic.LoadUint32(&c.closed) == 1 {
-		return nil
+		return CloseNormalClosure
 	}
 	if c.isCanceled() {
 		return CloseServiceRestart
@@ -222,8 +222,10 @@ func (c *Conn) emitMessage(msg *Message, compressed bool) error {
 		c.handler.OnMessage(c, msg)
 	case OpcodeCloseConnection:
 		if atomic.CompareAndSwapUint32(&c.closed, 0, 1) {
+			code := msg.Code()
 			c.handlerError(msg.Code(), msg.buf)
 			c.handler.OnClose(c, msg)
+			return code
 		}
 	}
 	return nil
diff --git a/writer.go b/writer.go
index f6317838..3a954dd1 100644
--- a/writer.go
+++ b/writer.go
@@ -3,7 +3,6 @@ package gws
 import (
 	"github.com/lxzan/gws/internal"
 	"io"
-	"sync/atomic"
 	"time"
 )
 
@@ -21,45 +20,6 @@ func writeN(writer io.Writer, content []byte, n int) error {
 	return nil
 }
 
-func (c *Conn) emitError(err error) {
-	if err == nil {
-		return
-	}
-	if atomic.CompareAndSwapUint32(&c.closed, 0, 1) {
-		c.handlerError(err, nil)
-		c.handler.OnError(c, err)
-	}
-}
-
-func (c *Conn) handlerError(err error, buf *internal.Buffer) {
-	code := CloseNormalClosure
-	v, ok := err.(CloseCode)
-	if ok {
-		closeCode := v.Uint16()
-		if closeCode < 1000 || (closeCode >= 1016 && closeCode < 3000) {
-			code = CloseProtocolError
-		} else {
-			switch closeCode {
-			case 1004, 1005, 1006, 1014:
-				code = CloseProtocolError
-			default:
-				code = v
-			}
-		}
-	}
-	var content = code.Bytes()
-	if buf != nil {
-		content = append(content, buf.Bytes()...)
-	} else {
-		content = append(content, err.Error()...)
-	}
-	if len(content) > internal.Lv1 {
-		content = content[:internal.Lv1]
-	}
-	_ = c.writeMessage(OpcodeCloseConnection, content, true)
-	_ = c.conn.SetDeadline(time.Now())
-}
-
 // WriteClose write close frame
 // 发送关闭帧
 func (c *Conn) WriteClose(code CloseCode, reason []byte) {